| Smyrna to Cockermouth | 4,014.51 mi (6,460.73 km) |
| Smyrna to Colchester | 4,239.30 mi (6,822.50 km) |
| Smyrna to Coleford | 4,098.82 mi (6,596.41 km) |
| Smyrna to Colne | 4,075.57 mi (6,558.99 km) |
| Smyrna to Colwyn Bay | 4,026.06 mi (6,479.32 km) |
| Smyrna to Congleton | 4,087.46 mi (6,578.13 km) |
| Smyrna to Conisbrough | 4,120.22 mi (6,630.86 km) |
| Smyrna to Connahs Quay | 4,053.00 mi (6,522.67 km) |
| Smyrna to Consett | 4,069.94 mi (6,549.94 km) |
| Smyrna to Conwy | 4,021.07 mi (6,471.29 km) |
| Smyrna to Cookstown | 3,883.36 mi (6,249.66 km) |
| Smyrna to Corby | 4,161.73 mi (6,697.66 km) |
| Smyrna to Corfe Mullen | 4,144.78 mi (6,670.38 km) |
| Smyrna to Corsham | 4,123.83 mi (6,636.66 km) |
| Smyrna to Coseley | 4,105.04 mi (6,606.42 km) |
